<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS common list</title>
    <style>
        ol.dome
        {
            list-style-type: circle;
        }
    </style>
</head>
<body>
<ol class="demo1">
    <li>123</li>
    <li>456</li>
    <li>789</li>
</ol>
</body>
</html>